perl -pi.bak -e 's/\d\d(\d\d)\.(\d{5})/$1$2/' somefile.txt

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Cheers,
Ovid

Update: Sheesh. japhy's reply made me feel stupid :)

perl -pi.bak -e 's/\d\d(\d\d)\./$1/' somefile.txt

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In reply to Re: substr on $_ by Ovid
in thread substr on $_ by gisrob

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